package com.javatest.springbootsecurity.config;

import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

/**
 * @author lzy
 * @version v1.0
 * Create DateTime: 2019/4/24 18:47
 */
@EnableWebSecurity
public class MySecurityConfig extends WebSecurityConfigurerAdapter {


    @Override
    protected void configure(HttpSecurity http) throws Exception {
//        super.configure(http);
        //定制请求的授权规则
        http.authorizeRequests().antMatchers("/").permitAll()
                .antMatchers("/level1/**").hasRole("VIP1")
                .antMatchers("/level2/**").hasRole("VIP2")
                .antMatchers("/level3/**").hasRole("VIP3");

        //开启自动配置的登陆功能，效果：如果没有登陆，没有权限就会跳转到默认的登陆页面
        //1. /login来到登陆页面
        //2. 重定向到/login?error表示登陆失败
        //3. 更多详细规定
        //4. 默认post形式的/login代表登陆
        //5. 一旦定制loginPage，那么loginPage的post请求就是登陆
        http.formLogin().usernameParameter("user").passwordParameter("pwd").loginPage("/userlogin");


        //开启自动配置的注销功能
        //1.访问/logout表示用户注销，清空session
        //2.注销成功会返回/login?logout页面
        http.logout().logoutSuccessUrl("/");//注销成功以后来到首页

        //开启记住我功能
        //原理：登陆成功以后，将cookie发给浏览器保存，以后访问页面带上这个cookie，只要通过检查就可以免登陆；点击注销会删除cookie
        http.rememberMe().rememberMeParameter("remember");
    }

    // 定义认证规则
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        final BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
//        super.configure(auth);
        auth.inMemoryAuthentication()
                .passwordEncoder(passwordEncoder)
                .withUser("zhangsan").password(passwordEncoder.encode("123")).roles("VIP1", "VIP2")
                .and()
                .withUser("lisi").password(passwordEncoder.encode("123")).roles("VIP2", "VIP3")
                .and()
                .withUser("wangwu").password(passwordEncoder.encode("123")).roles("VIP1", "VIP3");
    }

}
